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New Gene-silencing Pathway Found In Plants
New Gene-silencing Pathway Found In Plants
New Gene-silencing Pathway Found In Plants
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Biologists have made major headway in explaining a mechanism by which plant cells silence potentially harmful genes. New research in Cell explains how RNA polymerases work together to use the non-coding region of DNA to prevent destructive, virus-derived genes from being activated. This research adds to a growing body of evidence suggesting that "junk DNA" is in fact a functional part of the genome, since transcription of the intergenic regions is necessary to keep potentially harmful genes turned off.
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Other Articles:
| • | "Potential Game-Changing" Confocal Technology Opening Eyes - MarketWatch | |
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| • | Scientists discover new compounds to target muscular dystrophy | |
| Using a drug-discovery technique in which molecules compete against each other for access to the target - the strand of toxic RNA that causes the most common form of muscular dystrophy in adults - a team at the University of Rochester Medical Center has identified several compounds that, in the laboratory, block the unwanted coupling of two molecules that is at the root of the disease. | ||
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| • | Reprogramming immune B cells, deadly brain tumors, and the insidious pathogen that causes tuberculosis | |
| Hear about reprogramming the body's immune B cells and also what makes brain tumors so deadly. Discover more about the insidious pathogen that causes tuberculosis ...and don't forget our quarterly round-up of exciting research highlights published in the Cell Press family of journals. | ||
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| • | HowStuffWorks "Megaloblastic Anemia - View Of Red Blood Cells" | |
| Please copy/paste the following text to properly cite this How Stuff Works article: | ||
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| • | Stretch-induced activation of ERK in myocytes is p38 and calcineurin-dependent | |
| Activation of specific mitogen-activated protein kinases (MAPKs) has been suggested to be involved in phenotype modulation of cells subjected to mechanical strain, which may be common to different mechano-sensitive cell types. We have submitted C2C12 myocytes to a static stretch and examined its effect upon the activation of ERK. Stretch induced a rapid but transient activation of ERK. This activation was however prevented when cells were pre-treated with inhibitors of p38 and calcineurin. The dependence of strain-induced ERK activation upon p38 suggests a cross-talk between these two pathways when mediating a response to a mechanical stimulus in this cell type. This suggests that cross relationships between these MAP kinases may be of crucial importance for myocyte phenotype modulation and differentiation in response to a mechanical stimulus. Copyright © 2008 John Wiley & Sons, Ltd. | ||
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| • | Triplantanol increases flower production in Wisteria | |
| Feeding your wisteria can have dramatic results in increasing flower production. Mature grafted wisteria plants respond best especially if they have already reached flowering size. It is effective on Wisteria.floribunda, W.sinensis and W.venusta hybrids. The results can be quite spectacular. Wisteria have started to flower early in 2007 in the UK, a fact also reported on in the local TV news. We have noticed more abundant flowering than ever before with the plants fed with Triplantanol. Now is also the time to buy plants in flower for planting in the garden up against a wall, over a pergola, up a tree or free standing. They can in fact be planted in many areas around the garden. By selecting plants in flower you can be certain your plant is flowering size and the colour matches the label. We strongly urge you to only buy grafted plants. | ||
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ScienceDaily: Cell Biology News
By John Wiley & Sons, Inc - ©2008 Google - version: v1.5 build A
By John Wiley & Sons, Inc - ©2008 Google - version: v1.5 build A